I'm trying it now, I got an unlock key, and it's dling the game right now. I'll see if it works.
Edit: it's dling metro at 2MB/s right now... free.
Edit2: I love it, refuse to pay for it, refuse to pirate it, get it for free....

Amazing, it does work, I have the full game for free!
You don't need facebook for this. And now I'm getting
Red Orchestra 2 for free on steam now too... I'll take it!
Having fun with free Metro, Red Orchestra2 is dling right now...
dam I love free games!
Edit: do it now, and you get Red Orchestra2 as well for free. why not?

Amazing, it does work, I have the full game for free!
You don't need facebook for this. And now I'm getting
Red Orchestra 2 for free on steam now too... I'll take it!
Having fun with free Metro, Red Orchestra2 is dling right now...
dam I love free games!
Edit: do it now, and you get Red Orchestra2 as well for free. why not?

I too had trouble getting settings manually entered in the config file to take affect, most regrettably vsync which I had to end up using something else completely. I don't remember if fov was one that gave me trouble...

The World War 2-themed shooter Red Orchestra 2 is having a free weekend on Steam and double XP special until Sunday at 4pm EST. The free Steam Weekend includes all of the game's content from the 'Game of the Year' edition along with the new Red Orchestra 2 'Fall 2012 content pack,' which features a fresh map and a number of updates.